Underwater vessel hull



FIG. 1 is a left side and top perspective view of an underwater vessel hull showing the new design;

FIG. 2 is a left side and bottom perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in FIGS. 1-8 represent portions of the underwater vessel hull that form no part of the claimed design. 

CLAIM The ornamental design for an underwater vessel hull, as shown and described. 